import java.util.*;
public class E4 {
    public static void main(String args[]){
        double a=0,b=0,c=0;
        a=12;
        b=24;
        c=Math.asin(0.56);
        System.out.println(c);
        c=Math.cos(3.14);
        System.out.println(c);
        c=Math.exp(1);
        System.out.println(c);
        c=Math.log(8);
        System.out.println(c);
    }
}
